A graffiti canvas.
It would depend on the requirements of the proprietor of the train.
In a chair in one of the carriages.
A Train
A train is a line of coupled wagons or carriages drawn by a locomotive.
probably 10 carriages
Train cars are divided up into compartments.
engine, carriages, boxcars, trucks, guards van (caboose)
you press f9 and click on the coupler twice
its a 'diesel multiple unit' train consisting of mulltiple carriages powered one or more on-board diesel engine.
so there is a little bit of room for them to move
A flock, herd or train of camels.CaravanThey are called a herd.
Simply 'middle carriage' (British English) or 'middle car' (American English). However, if it is only a 1 carriage train, then the middle carriage (and indeed, the only carriage) is just called the carriage, car, locomotive, or unit. Two-carriage trains do not have a middle carriage. On trains with more than 3, and an even number, of carriages, the middle two are called the 'middle carriages' (or sometimes, more rarely, the whole train except the two end units). On trains with more than 3, and an odd number, of carriages, the middle one carriage is called the 'middle carriage' (or, more rarely, the middle three, of even the entire train except the two end units).